2022年12月大学英语六级考试模拟题及答案(七)

　　Next the thinker must define the problem. Before Sam can repair his bicycle, he　must find the reason why it does not work. For instance, he must determine if the problem is with the gears, the brakes, or the frame. He must make his problem　more specific.Now the person must look for information that will make the problem clearer and　lead to possible solutions. For instance, suppose Sam decided that his bike does　not work because there is something wrong with the gear wheels. At this time, he can look in his bicycle repair book and read about gears. He can talk to his friends at the bike shop. He can look at his gears carefully.

　　After studying the problem, the person should have several suggestions for a possible solution. Take Sam as an illustration. His suggestions might be: put oil on the gear wheels; buy new gear wheels and replace the old ones; tighten or loosen the gear wheels. Eventually one suggestion seems to be the solution to the problem. Sometimes the　final idea comes very suddenly because the thinker suddenly sees something new　or sees something in a new way. Sam, for example, suddenly sees that there is a　piece of chewing gum(口香糖)between the gear wheels. He immediately realizes the　solution to his problem: he must clean the gear wheels.

　　Finally the solution is tested. Sam cleans the gear wheels and finds that afterw　ards his bicycle works perfectly. In short, he has solved the problem.

　　21.In analyzing a problem we should do all the following except ____

　　A) recognize and define the problem

　　B) look for information to make the problem clearer

　　C) have suggestions for a possible solution

　　D) find a solution by trial or mistake

　　22.By referring to Sam’s broken bicycle, the author intends to ____.

　　A) illustrate the ways to repair his bicycle

　　B) discuss the problems of his bicycle

　　C) tell us how to solve a problem

　　D) show us how to analyze a problem

　　23.Which of the following is NOT true?

　　A) People do not analyze the problem they meet.

　　B) People often accept the opinions or ideas of other people.

　　C) People may learn from their past experience

　　D) People cannot solve some problems they meet.

　　24.As used in the last sentence, the phrase “in short” means ____.

　　A) in the long run B) in detail C) in a word D) in the end

　　25.What is the best title for this passage?

　　A) Six Stages for Repairing Sam’s Bicycle.

　　B) Possible Ways to Problem-solving.

　　C) Necessities of Problem Analysis.

　　D) Suggestions for Analyzing a Problem.

　　Passage 2

　　Questions 26 to 30 are based on the following passage:

　　Stone tools, animal bones and an incised mammoth tusk found in Russia’s frigid　far north have provided what archaeologists say is the first evidence that modern humans or Neanderthals lived in the Arctic more than 30,000 years ago, at least 15,000 years earlier than previously thought.A team of Russian and Norwegian archaeologists, describing the discovery in today’s issue of the journal Nature, said the campsite, at Mamontovaya Kurya, on the　Ura River at the Arctic Circle, was the “oldest documented evidence for human presence at this high latitude. ”Digging in the bed of an old river channel close　to the Ural Mountains, the team uncovered 123 mammal bones, including horse, reindeer and wolf. “The most important find,” they said, was a four-foot mammoth tusk with grooves made by chopping with a sharp stone edge, “unequivocally the work of humans.” The tusk was carbon-dated at about 36,600 years old. Plant remains found among the artifacts were dated at 30,000 to 31,000 years.